Reservoir · Ohio · United States · USACE CWMS
Senecaville Lake
104.3% full
Capacity
53.66 hm³
Volume stored
56 hm³
Vs month average
100% of normal
Coordinates
39.925°N, 81.434°W
Last updated
2026-10-29
Current fill
104.3%vs 7 days ago
0.0 ppstable
vs 1 year ago
N/A7-day trend
→stable
Drought context
Storage vs October average
100%of normal
104.3% full on 2026-10-29, against an average of 104.2% for October across 2 years of readings (+0.1 points).
Drought Monitor at this site · 27 October 2026
Nonenot in a drought category
Senecaville Lake's coordinates fall outside every category on the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Ohio drought figures →
Data source: USACE CWMS — US Army Corps of Engineers — daily reservoir storage volume. Capacity is the design (normal full-pool) capacity from the US National Inventory of Dams (NID); fill % = current volume ÷ design capacity. Last reading: 2026-10-29.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.925°N, 81.434°W · Open in Google Maps
About Senecaville Lake
As of October 29, 2026, Senecaville Lake is filled to 104.3% of its total capacity, holding 55.96 hm³ of water out of a maximum 53.66 hm³. At this level the reservoir is effectively full.
Over the most recent week on record the fill level has held broadly steady (+0.0 pp).
Across the readings we hold for Senecaville Lake — 78 data points between October 30, 2021 and October 29, 2026 — the level has ranged from a low of 47.2% (December 18, 2021) to a high of 104.9% (October 30, 2021).
It is operated by USACE primarily for multiple purposes. It is at 39.925°N, 81.434°W.
Key facts
- Current fill level
- 104.3% of total capacity
- Water stored
- 55.96 hm³
- Total capacity
- 53.66 hm³
- 7-day change
- No change
- Primary use
- Multipurpose
- Operator
- USACE
- Coordinates
- 39.925°N, 81.434°W
- Last updated
- October 29, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 29 Oct 2026 | 104.3% | 55.96 |
| 28 Oct 2026 | 104.3% | 55.96 |
| 27 Oct 2026 | 104.2% | 55.91 |
| 26 Oct 2026 | 104.2% | 55.91 |
| 25 Oct 2026 | 104.2% | 55.91 |
| 24 Oct 2026 | 104.1% | 55.87 |
| 23 Oct 2026 | 104.1% | 55.87 |
| 22 Oct 2026 | 104.3% | 55.96 |
| 21 Oct 2026 | 104.6% | 56.13 |
| 20 Oct 2026 | 104.9% | 56.27 |
| 11 Oct 2026 | 104.9% | 56.27 |
| 10 Oct 2026 | 103.6% | 55.6 |